11043213023 has 4 divisors (see below), whose sum is σ = 11069569560. Its totient is φ = 11016856488.

The previous prime is 11043212993. The next prime is 11043213047. The reversal of 11043213023 is 32031234011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11043213023 - 2¹⁴ = 11043196639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11043212986 and 11043213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043213823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13177640 + ... + 13178477.

It is an arithmetic number, because the mean of its divisors is an integer number (2767392390).

Almost surely, 2^11043213023 is an apocalyptic number.

11043213023 is a deficient number, since it is larger than the sum of its proper divisors (26356537).

11043213023 is an equidigital number, since it uses as much as digits as its factorization.

11043213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26356536.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11043213023 its reverse (32031234011), we get a palindrome (43074447034).

The spelling of 11043213023 in words is "eleven billion, forty-three million, two hundred thirteen thousand, twenty-three".